WO2015144885A1 - Procédé pour l'impression commandée par l'utilisateur d'une structure tridimensionnelle - Google Patents

Procédé pour l'impression commandée par l'utilisateur d'une structure tridimensionnelle Download PDF

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Publication number
WO2015144885A1
WO2015144885A1 PCT/EP2015/056726 EP2015056726W WO2015144885A1 WO 2015144885 A1 WO2015144885 A1 WO 2015144885A1 EP 2015056726 W EP2015056726 W EP 2015056726W WO 2015144885 A1 WO2015144885 A1 WO 2015144885A1
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WO
WIPO (PCT)
Prior art keywords
dimensional structure
dataset
customer
server
light distribution
Prior art date
Application number
PCT/EP2015/056726
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English (en)
Original Assignee
Luxexcel Holding B.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Luxexcel Holding B.V. filed Critical Luxexcel Holding B.V.
Publication of WO2015144885A1 publication Critical patent/WO2015144885A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses

Definitions

  • the present invention relates to a method for customer controlled printing of a three- dimensional structure.
  • Printing a three-dimensional structure is a powerful tool for generating an optical element that is intended for optimizing or individualizing the light output of a light source.
  • Light sources such as LEDs are manufactured in a huge quantity due to economic reasons. Therefore the atmosphere or impression created by the mass-produced light sources may not match with the preferences of the customer who is interested to generate an individualized and special atmosphere by using the light source.
  • indoor lightning such as alcove lightning, soffit lightning, recessed lightning or track lightning it is desirable to adapt a light guiding structure to the light source for achieving a favored optical impression.
  • the document WO 2010 / 091 888 A1 discloses a method for successfully printing a three-dimensional structure that can be used as a light guiding structure for light being emitted from a light source.
  • printing a three-dimensional structure by depositing droplets onto a substrate and subsequently curing them is a successful method for realizing the discussed three-dimensional structure, a customer, who is interested in a favored light distribution profile, has to overcome the obstacle of designing the proper three- dimensional structure and subsequently printing it.
  • the object of the present invention is solved by a method for customer controlled printing of a three-dimensional structure,
  • the server is in charge of designing the three-dimensional structure and the printing device is in charge of printing the three-dimensional structure.
  • an applicant of the server and the printing device takes care of the server and the printing device.
  • a light source which emits light uniformly, needs a three-dimensional structure that transforms the set light distribution profile to the favored light distribution profile that corresponds to the logo, the sign, the room number and/or house number.
  • the customer may specify the favored light distribution by making the logo and the color of the logo available to the server.
  • the server presents a design for the corresponding three-dimensional structure that transforms the light adequately.
  • the design comprises for example the shape and the material composition of the three- dimensional structure.
  • the further dataset is subsequently sent to the printing device that prints the individualized three- dimensional structure.
  • the customer is interested to realize an individualized light distribution profile and therefore uses the method according to the present invention.
  • the light source is a light source such as a LED or a flashlight and the customer is interested in designing an adapter for the LED or the flashlight.
  • the three- dimensional structure is designed such that the three-dimensional structure forms the adapter for the LED and/or the flashlight.
  • the customer is interested in creating a three-dimensional structure that is reversible or permanently connectable to the LED or the flashlight.
  • the light source is an array of LEDs and the three-dimensional structure is designed for the array.
  • the customer for example an optical designer and/or a manufacturer of light sources
  • the server communicates with the server via a website.
  • a website preferably gives additional access to help sections, tutorials and a forum concerning printing three- dimensional structure that are intended for light guiding.
  • the customer communicates with the server via an app.
  • the server is configured for saving customer related data files comprising for an example a selection of first datasets, second datasets and/or further datasets.
  • the saved customer related files forms a portfolio of datasets related to the light sources, the favored light distribution profiles and the printable three-dimensional structure.
  • the customer makes the first dataset and/or the second dataset available to the server by
  • the first dataset comprises parameters related to the light source such as
  • the second dataset preferably comprises parameters related to the favored light distribution profile such as
  • the further dataset is adapted to the printing device.
  • the server presents the three- dimensional structure and the light distributed created by this three-dimensional structure to the customer on the website and subsequently the customer decides whether the further dataset is sent to the printing device.
  • the three-dimensional structure comprises an optical prism, a lens, a Fresnel lens and/or an aperture and/or the light source is a LED.
  • the printed three-dimensional structure is designed such that it is reversible connectabel to the light source.
  • the light source and the three- dimensional structure are combined.
  • the printed three- dimensional structure is sent by post to the customer, who connects the three-dimensional structure with the light source. It is also thinkable that the customer hands over the light source and the three-dimensional structure and the light source are connected by using the printing device. In particular the three-dimensional structure is directly printed onto the three- dimensional structure.
  • the first dataset and/or the second dataset is at least partially represented by a photometric data file.
  • a photometrical data file is generated by using a goniophotomer and/or is filed in a IES-; EULUMDAT (or LDT)- or TM-14 -format.
  • a photometric data file advantageously specifies both the total light output and the angular spread of the light output of the light source.
  • the said formats are standards for describing the set light distribution profile. Consequently the usage of such photometric data file simplifies the communication of the customer with the server and supplies the server with the most accurate parameters for the first dataset.
  • the presented design for the three-dimensional structure is calculated by a calculation tool of the server based on the first dataset and the second dataset.
  • the calculation tool is an automatic optical CAD-file generator.
  • a generated CAD-file is made available to the customer and the customer can decide
  • the first dataset is selected from a first register saved on the server or is uploaded to the server and/or
  • the second dataset is selected from a second register saved on the server or is uploaded to the server.
  • the first register is part of the customer related data file.
  • the first register comprises all available light sources of a manufacturer and the customer choses one of the available light sources represented by the first dataset in the first step.
  • the first register is updated each time a new light source is developed.
  • a third dataset specifying a further favored fixture is selected from a third register of the server.
  • a third registers is a selection of
  • ⁇ optical materials that for example are intended to form the three-dimensional structure
  • ⁇ adapter or holder elements that for example are intended to being connected to the three-dimensional structure
  • a fourth dataset specifying the future surroundings for the light source having the favored light distribution profile. For example a room or a housing for the light source is uploaded to the server and the server takes this into account by designing the three-dimensional structure. As a consequence the customer immediately sees how the design three-dimensional structure changes the light distribution profile and how it affects the atmosphere inside the room, in particular before printing the three- dimensional structure.
  • the design for the three- dimensional structure is presented in dependency on the first dataset, the second dataset, the third dataset and/or the fourth dataset. It is herewith advantageously possible to realize a three-dimensional structure that generates a light distribution profile as it is favored by the customer. It is conceivable that the customer weight the influence of one of the the datasets to the calculation. As a consequence potential conflicts may be circumvented and the designed three-dimensional structure matches with the preferences of the customer advantageously.
  • the second dataset is made available to the server by the customer and/or a further customer.
  • the server advantageously becomes a platform for exchange and Interaction between the customer and the further customer and both realize a printed three-dimensional structure.
  • the customer is a manufacturer of light sources and the further customer is a light designer.
  • a first customer register, a second customer register and/or a third customer register is generated by the customer and/or the further customer.
  • the first customer register, the second customer register and/or the third customer register are respectively parts of the first register, the second register and/or third register.
  • the first customer register, the second customer register and/or the third customer register are integrated into the customer related files that forms a portfolio of the customer or the further customer.
  • the customer and/or the further customer has access to the first customer register, the second customer register and/or the third customer register.
  • the customer and the further customer can use the server as a platform for privately designing the three-dimensional structure.
  • droplets of a printing ink are deposited onto a substrate and subsequently the deposited droplets are cured by light, preferably UV- light.
  • the printing ink comprises an UV curable liquid monomer which becomes a polymer by curing.
  • the printing material has different colors and is individual adapted to the preferences of the customer.
  • the printing material has a viscosity. Consequently the droplets of the material may spread or diffuse.
  • a plurality of droplets of printing material is deposited onto a substrate and subsequently cured using light in particular UV-light. As a result the cured droplets generate a body.
  • the process of depositing the droplets onto the substrate and/or the body and subsequently curing the droplets is repeated iteratively till the body becomes the three dimensional light-guiding structure.
  • a nozzle may be used for depositing the droplets on the body and/or the substrate.
  • the nozzle ejects printing material in shape of droplets toward the substrate and/or the body.
  • the printing material may be ejected by a print head of an inkjet printer, wherein the print head is moveable and distributes the droplets of the printing material such that a layer including a plurality of droplets is formed.
  • a layer corresponds to an arrangement of droplets within a plane that is more or less parallel to the substrate and/or the body, for instance.
  • the nozzle or the head of the inkjet printer moves and consequently several droplets are arranged next to each other forming the layer.
  • the three-dimensional structure comprises an optical prism, a Fresnel lens, aperture and/or a filter element.
  • Another subject of the present invention is a printing device for a printing three-dimensional structure, wherein the printing device is designed for a method as it is described above. It is herewith advantageously possible to print an individualized three-dimensional structure that transforms the set light distribution profile to a favored light distribution.
  • Another subject of the present invention is a software for online designing a three- dimensional structure,
  • a design for a three-dimensional structure that transforms the set light distribution profile to the favored light distribution profile is presented by the server.
  • the software transforms the design for the three-dimensional structure to a further dataset and sent it to the printing device.
  • Another subject of the present invention is a three-dimensional structure for a light source, wherein the three-dimensional structure is printed by a method disclosed above.
  • Such a three-dimensional structure is advantageously adapted to the light source such that the set light distribution profile is transformed to a favored light distribution profile that is favored by the customer.
  • Figure 1 shows a method for customer controlled printing of a three-dimensional structure according to a first exemplary embodiment.
  • Figure 2 shows a method for customer controlled printing of a three-dimensional structure according to a second exemplary embodiment.
  • Figure 3 shows a method for customer controlled printing of a three-dimensional structure according to a third exemplary embodiment.
  • Figure 3 shows a first exemplary server for a method for customer controlled printing of a three-dimensional structure according to the present invention. Detailed description
  • FIG 1 a method for customer 1 controlled printing of a three-dimensional structure 5 according to a first exemplary embodiment of the present invention is illustrated.
  • the method is intended for printing a three-dimensional structure 5 that transforms a set light distribution 7 profile of a light source 4 to a favored light distribution profile.
  • a customer 1 has a light source 4 that the customer 1 has manufactured or bought, for example.
  • a first dataset 1 1 is made available to a server 2 by the customer 1 .
  • the first dataset 1 1 preferably specifies the set light distribution profile and the light source 4.
  • the first dataset 1 1 is at least partially represented by a two dimensional intensity profile of the light source and/or a photometric data file specifying both the total light output and the angular spread of the light output of the light source.
  • a photometrical data file is generated by using a goniophotomer and/or is filed in a IES-; EULUMDAT (or LDT)- or TM-14 -format.
  • the first dataset 1 1 comprises for example
  • ⁇ parameters classifying a light cone emitted by the light source 4 for example its ellipticity, focal distance or size
  • ⁇ parameters classifying a light cone emitted by the light source 4 for example its ellipticity, focal distance or size
  • the first dataset 1 1 comprises
  • the customer 1 has access to the server 2 via an online connection, such as an internet or intranet connection.
  • the customer 1 communicates or exchange data via a website that is connected to the server 2.
  • a website for example comprises preferably a section for help, tutorials and/or a forum.
  • the customer 1 makes the first dataset 1 1 available by
  • ⁇ selecting it from a first register of the server. Furthermore it is provided that a second dataset 12 specifying the favored light distribution profile is made available to the server 2 additionally. It is herewith conceivable that the customer 1 makes the second dataset 12 available by
  • the website is configured such that a plurality of potential light distribution profiles is shown by pictures and the customer 1 chose one of them for his light source.
  • a three-dimensional structure 5 is presented by the server 2, wherein the presented three-dimensional structure 5 is intended for transforming the set light distribution profile 7 of the light source to a favored light distribution profile 8.
  • the design of the presented three-dimensional structure originates from a calculation of a calculation tool 16 of the server 2 based on the first dataset 1 1 and the second dataset 12.
  • a calculation tool 16 is for example an automatic optical cad file generator and/or a CADIess simulation tool.
  • the presented three-dimensional structure 5 comprises for example an optical prism, a lens, a Fresnel lens, an aperture and/or a filter.
  • the presented three-dimensional structure 5 is able to change a beam profile, focal distance, color and/or size of the light emitted by the light source. It is also thinkable that the presented three-dimensional structure 5 is designed such that at least a part of the three-dimensional structure 5 forms a shaped aperture, wherein the shaped aperture is backlighted from the light source 4. For example this shaped aperture corresponds to a logo, a sign and/or a room number. Furthermore it is provided that the presented three-dimensional structure 5 is designed such that the three- dimensional structure 5 can be reversibly connected to the light source 4. It is furthermore provided that the customer 1 selects the presented three-dimensional structure 5 for printing by decision. It is also thinkable that the server 2 presents a selection of potential three- dimensional structures 5 and the customer 1 chose from this selection by decision 15.
  • a further dataset 20 specifying the presented design for the three-dimensional structure 5 is sent to a printing device3 that is in
  • the three-dimensional structure 5 is printed by depositing droplets 31 of a printing ink on a substrate 32 by using a printing head 22 and subsequently curing the deposited droplets 31 using light, preferably UV-light, in order to form the three-dimensional structure 5 based on the further dataset 20. Subsequently the printed three-dimensional structure 5 and the light source 4 are connected to each other in a fifth step in order to a provide a light source 4 with the favored light distribution profile 8. It is also thinkable that the customer 1 also sent the light source 4 to an applicant of the printing device 3 and the three-dimensional 5 structure is printed directly onto the light source 4.
  • FIG 2 a method for customer 1 controlled printing of a three-dimensional structure 5 according to a second exemplary embodiment of the present invention is illustrated.
  • the second exemplary embodiment mainly expands the first embodiment by
  • ⁇ a fourth dataset 14 specifying the future surroundings for the light source 4 having the favored light distribution profile.
  • the customer 1 is able to choose a favored fixture from a third register 13 or a set of third registers.
  • a third registers 13 is a selection of ⁇ optical materials that are intended to form the three-dimensional structure 5, ⁇ adapter or holder elements that are intended to being connected to the three- dimensional structure 5 or
  • the customer 1 can choose from several third registers 13 related to different fixtures respectively.
  • the fourth dataset 14 is related to properties that are not directly connected to the light source 4.
  • the fourth dataset 14 comprises information regarding the surrounding of the light source 4 is such as a room or an housing.
  • the fourth dataset 14 allows designing a three- dimensional 5 structure being adapted to a desired atmosphere that should be realized by the light source 4 having the favored light distribution profile 8.
  • the customer 1 made the fourth dataset 14 available to the server 1 by uploading another further data file or selecting it form a fourth register.
  • the calculation tool 16 additionally takes into account the third dataset 13 and/or the fourth dataset 14.
  • FIG 3 a method for customer 1 controlled printing of a three-dimensional structure 5 according to a third exemplary embodiment of the present invention is illustrated.
  • the third exemplary embodiment mainly corresponds to the second exemplary embodiment.
  • the third exemplary embodiment expands the second exemplary embodiment by a further customer 1 ' that is interested designing a favored light distribution 8 without possessing a light source.
  • the further customer 1 ' chose a first datasets 1 1 that is preferably made available by the customer 1 .
  • the further customer 1 ' is connected to the server 2 a further internet connection and communicates with the server via a website.
  • the further customer makes the second dataset and/or the fourth dataset available to the server 2 by
  • the server 1 generates a first customer register 17 including a selection of first dataset corresponding each to light sources 4 and the further customer 1 ' selects the first dataset 1 1 from the first customer register 17. Furthermore it is provided that the further customer 1 ' chose a third dataset 13 from the third register. In particular is provided that the further customer selects the presented three-dimensional structure 5 by decision 15. It is also thinkable that the server
  • FIG 4 a server 2 for a method for customer controlled printing of a three-dimensional structure 5 according to a first exemplary embodiment is illustrated.
  • the server 2 comprises other components for the customer 1 , the further customer 1 ' and a another further customer 1 '.
  • the three-dimensional structure 5 realized for the customer 1 or the further customer 1 ' are saved in an online register 41 and the another further customer select from the online register 41 the further dataset 20 that is sent to the printing device 3.
  • the server 2 comprises an open and/or an intercompany library 42 as well as a section 43 for help, tutorials and/or a forum. Moreover it is preferably provided that the server 2 is configured for a logo-lens generator 43 and/or a fixure-lens shop. It is also thinkable that the server 2 comprises tools for CADIess design 44 of light distribution filed. Preferably the server 2 is configured for communicate with the customer 1 , the further customer 1 ' and/or the another further customer via a app.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)

Abstract

La présente invention se rapporte à un procédé pour l'impression commandée par l'utilisateur d'une structure tridimensionnelle, comprenant une première étape dans laquelle un premier ensemble de données spécifiant une source de lumière ayant un profil de distribution de lumière déterminé et un second ensemble de données spécifiant un profil de distribution de lumière préféré sont mis à disposition d'un serveur, une deuxième étape dans laquelle une conception pour une structure tridimensionnelle qui transforme le profil de distribution de lumière prédéterminé en le profil de distribution de lumière préféré est présentée par le serveur, une troisième étape dans laquelle un ensemble de données supplémentaire spécifiant la conception présentée pour la structure tridimensionnelle est envoyé à un dispositif d'impression et une quatrième étape dans laquelle une structure tridimensionnelle est imprimée par le dispositif d'impression sur la base de l'ensemble de données supplémentaire.
PCT/EP2015/056726 2014-03-28 2015-03-27 Procédé pour l'impression commandée par l'utilisateur d'une structure tridimensionnelle WO2015144885A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14162194 2014-03-28
EP14162194.6 2014-03-28

Publications (1)

Publication Number Publication Date
WO2015144885A1 true WO2015144885A1 (fr) 2015-10-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11370185B2 (en) 2018-01-11 2022-06-28 E-Vision Smart Optics, Inc. Three-dimensional (3D) printing of electro-active lenses

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0225131A2 (fr) * 1985-11-29 1987-06-10 AT&T Corp. Dispositif à semi-conducteur émetteur de lumière et son procédé de fabrication
WO2013149891A1 (fr) * 2012-04-03 2013-10-10 Luxexcel Holding B.V. Dispositif et procédé pour produire des lunettes personnalisées
WO2013167415A1 (fr) * 2012-05-07 2013-11-14 Luxexcel Holding B.V. Procédé pour imprimer une structure en trois dimensions, procédé pour commander une tête d'impression et article imprimé

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0225131A2 (fr) * 1985-11-29 1987-06-10 AT&T Corp. Dispositif à semi-conducteur émetteur de lumière et son procédé de fabrication
WO2013149891A1 (fr) * 2012-04-03 2013-10-10 Luxexcel Holding B.V. Dispositif et procédé pour produire des lunettes personnalisées
WO2013167415A1 (fr) * 2012-05-07 2013-11-14 Luxexcel Holding B.V. Procédé pour imprimer une structure en trois dimensions, procédé pour commander une tête d'impression et article imprimé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11370185B2 (en) 2018-01-11 2022-06-28 E-Vision Smart Optics, Inc. Three-dimensional (3D) printing of electro-active lenses

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